Patch 8.1.2418
Problem: bufnr('$') is wrong after recycling popup buffer.
Solution: Sort the buffer list by buffer number. (closes #5335)
Files: src/buffer.c, src/testdir/test_popupwin.vim
*** ../vim-8.1.2417/src/buffer.c 2019-11-30 22:47:42.639331256 +0100
--- src/buffer.c 2019-12-10 23:33:04.567469510 +0100
***************
*** 2093,2098 ****
--- 2093,2117 ----
// buffer number grows rapidly.
--buf_reuse.ga_len;
buf->b_fnum = ((int *)buf_reuse.ga_data)[buf_reuse.ga_len];
+
+ // Move buffer to the right place in the buffer list.
+ while (buf->b_prev != NULL && buf->b_fnum < buf->b_prev->b_fnum)
+ {
+ buf_T *prev = buf->b_prev;
+
+ prev->b_next = buf->b_next;
+ if (prev->b_next != NULL)
+ prev->b_next->b_prev = prev;
+ buf->b_next = prev;
+ buf->b_prev = prev->b_prev;
+ if (buf->b_prev != NULL)
+ buf->b_prev->b_next = buf;
+ prev->b_prev = buf;
+ if (lastbuf == buf)
+ lastbuf = prev;
+ if (firstbuf == prev)
+ firstbuf = buf;
+ }
}
else
buf->b_fnum = top_file_num++;
*** ../vim-8.1.2417/src/testdir/test_popupwin.vim 2019-12-06
20:17:20.379094586 +0100
--- src/testdir/test_popupwin.vim 2019-12-10 23:10:17.273669168 +0100
***************
*** 3168,3171 ****
--- 3168,3188 ----
call delete('XtestPopupSign')
endfunc
+ func Test_popupwin_bufnr()
+ let popwin = popup_create(['blah'], #{})
+ let popbuf = winbufnr(popwin)
+ split asdfasdf
+ let newbuf = bufnr()
+ call assert_true(newbuf > popbuf, 'New buffer number is higher')
+ call assert_equal(newbuf, bufnr('$'))
+ call popup_clear()
+ let popwin = popup_create(['blah'], #{})
+ " reuses previous buffer number
+ call assert_equal(popbuf, winbufnr(popwin))
+ call assert_equal(newbuf, bufnr('$'))
+
+ call popup_clear()
+ bwipe!
+ endfunc
+
" vim: shiftwidth=2 sts=2
*** ../vim-8.1.2417/src/version.c 2019-12-10 22:48:08.368051992 +0100
--- src/version.c 2019-12-10 23:12:08.957119998 +0100
***************
*** 744,745 ****
--- 744,747 ----
{ /* Add new patch number below this line */
+ /**/
+ 2418,
/**/
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